<template>
	<view class="preview" v-if="currentInfo">
		<swiper circular :current="currentIndex" @change="swiperChange">
			<swiper-item v-for="(item, index) in classList" :key="item._id">
				<image v-if="readImgs.includes(index)" @click="maskChange" :src="item.picurl" mode="aspectFill"></image>
			</swiper-item>
		</swiper>

		<view class="mask" v-if="maskState">
			<view class="goBack" @click="goBack" :style="{top:getStatusBarHeight() + 'px'}">
				<uni-icons type="back" color="#fff" size="20"></uni-icons>
			</view>
			<view class="count">{{currentIndex+1}} / {{classList.length}}</view>
			<view class="time">
				<uni-dateformat :date="new Date()" format="hh:mm"></uni-dateformat>
			</view>
			<view class="date">
				<uni-dateformat :date="new Date()" format="MM月dd日"></uni-dateformat>
			</view>
			<view class="footer">
				<view class="box" @click="clickInfo">
					<uni-icons type="info" size="28"></uni-icons>
					<view class="text">信息</view>
				</view>
				<view class="box" @click="clickScore">
					<uni-icons type="star" size="28"></uni-icons>
					<view class="text">{{currentInfo.score}}分</view>
				</view>
				<view class="box" @click="clickDownload">
					<uni-icons type="download" size="23"></uni-icons>
					<view class="text">下载</view>
				</view>
			</view>
		</view>

		<uni-popup ref="infoPopup" type="bottom">
			<view class="infoPopup">
				<view class="popHeader">
					<view></view>
					<view class="title">壁纸信息</view>
					<view class="close" @click="clickInfoClose">
						<uni-icons type="closeempty" size="18" color="#999"></uni-icons>
					</view>
				</view>
				<scroll-view scroll-y>
					<view class="content">
						<view class="row">
							<view class="label">壁纸ID：</view>
							<text selectable class="value">{{currentInfo._id}}</text>
						</view>
						<!-- <view class="row">
							<view class="label">分类：</view>
							<text class="value class">明星美女</text>
						</view>	 -->
						<view class="row">
							<view class="label">发布者：</view>
							<text class="value">{{currentInfo.nickname}}</text>
						</view>
						<view class="row">
							<text class="label">评分：</text>
							<view class='value roteBox'>
								<uni-rate readonly touchable :value="currentInfo.score" size="16" />
								<text class="score">{{currentInfo.score}}分</text>
							</view>
						</view>
						<view class="row">
							<text class="label">摘要：</text>
							<view class='value'>
								{{currentInfo.description}}
							</view>
						</view>
						<view class="row">
							<text class="label">标签：</text>
							<view class='value tabs'>
								<view class="tab" v-for="item in currentInfo.tabs" :key="tab">{{item}}</view>
							</view>
						</view>
						<view class="copyright">
							声明：本图片来用户投稿，非商业使用，用于免费学习交流，如侵犯了您的权益，您可以拷贝壁纸ID举报至平台，邮箱513894357@qq.com，管理将删除侵权壁纸，维护您的权益。
						</view>
						
						<view class="safe-area-inset-bottom"></view>
						
					</view>
				</scroll-view>
			</view>
		</uni-popup>

		<uni-popup ref="scorePopup" :is-mask-click="false">
			<view class="scorePopup">
				<view class="popHeader">
					<view></view>
					<view class="title">{{isScore?'评过分了~':'壁纸评分'}}</view>
					<view class="close" @click="clickScoreClose">
						<uni-icons type="closeempty" size="18" color="#999"></uni-icons>
					</view>
				</view>
				<view class="content">
					<uni-rate v-model="userScore" allowHalf :disabled="isScore" disabled-color="#FFCA3E" />
					<text class="text">{{userScore}}分</text>
				</view>
				<view class="footer">
					<button @click="submitScore" :disabled="!userScore || isScore" type="default" size="mini" plain>确认评分</button>
				</view>
			</view>
		</uni-popup>

	</view>
</template>

<script setup>
	import {
		ref
	} from 'vue'
	import {
		getStatusBarHeight
	} from '@/utils/system.js'
	import {
		onLoad,
		onShareAppMessage, 
		onShareTimeline
	} from '@dcloudio/uni-app'
	import {
		apiSetupScore,
		apiWriteDownload,
		apiDetailWall
	} from '@/api/apis.js'
	import { gotoHome } from '@/utils/common.js'

	// 遮罩层状态
	const maskState = ref(true)
	const maskChange = () => {
		maskState.value = !maskState.value
	}


	// 点击info弹窗
	const infoPopup = ref(null)
	const clickInfo = () => {
		infoPopup.value.open()
	}
	// 点击关闭info弹窗
	const clickInfoClose = () => {
		infoPopup.value.close()
	}


	// 评分弹窗
	const userScore = ref(0)
	const scorePopup = ref(null)
	const clickScore = () => {
		if (currentInfo.value.userScore) {
			isScore.value = true
			userScore.value = currentInfo.value.userScore
		}
		scorePopup.value.open();
	}
	// 关闭评分框
	const clickScoreClose = () => {
		scorePopup.value.close();
		userScore.value = 0
		isScore.value = false
	}
	// 确认评分
	const isScore = ref(false)
	const submitScore = async () => {
		uni.showLoading({
			title: '加载中...'
		})
		const {
			classid,
			_id: wallId
		} = currentInfo.value
		const res = await apiSetupScore({
			classid,
			wallId,
			userScore: userScore.value
		})
		uni.hideLoading()
		if (res.errCode === 0) {
			uni.showToast({
				title: '评分成功',
				icon: 'none'
			})
			classList.value[currentIndex.value].userScore = userScore.value
			uni.setStorageSync('storageClassList', classList.value)
			clickScoreClose()
		}
	}

	// 返回上一页
	const goBack = () => {
		uni.navigateBack({
			success: () => {
				
			},
			fail: (err) => {
				uni.reLaunch({
					url:'/pages/index/index'
				})
			}
		})
	}

	// 从本地数据中获取详情
	const classList = ref([])
	const storageClassList = uni.getStorageSync("storageClassList") || []
	classList.value = storageClassList.map(item => {
		return {
			...item,
			picurl: item.smallPicurl.replace("_small.webp", ".jpg")
		}
	})
	const currentId = ref(null)
	const currentIndex = ref(0)
	const readImgs = ref([])
	onLoad(async (e) => {
		if (!e.id) {
			gotoHome()
		}
		currentId.value = e.id
		if (e.type == 'share') {
		  const res = await	apiDetailWall({
				id: currentId.value
			})
			classList.value = res.data.map(item => {
				return {
					...item,
					picurl: item.smallPicurl.replace("_small.webp", ".jpg")
				}
			})
		}
		currentIndex.value = classList.value.findIndex(item => item._id == currentId.value)
		currentInfo.value = classList.value[currentIndex.value]
		readImgsFun()
	})
	const swiperChange = (e) => {
		currentIndex.value = e.detail.current
		currentInfo.value = classList.value[currentIndex.value]
		readImgsFun()
	}
	const readImgsFun = () => {
		readImgs.value.push(
			currentIndex.value - 1 <= 0 ? classList.value.length - 1 : currentIndex.value - 1,
			currentIndex.value,
			currentIndex.value >= classList.value.length - 1 ? 0 : currentIndex.value + 1
		)
		readImgs.value = [...new Set(readImgs.value)]
	}

	// 壁纸信息
	const currentInfo = ref(null)

	// 点击下载
	const clickDownload = async () => {
		// #ifdef H5
		uni.showModal({
			content: '长按保存壁纸',
			showCancel: false
		})
		// #endif

		// #ifndef H5
		try {

			uni.showLoading({
				title: '下载中',
				mask: true
			})

			const {
				classid,
				_id: wallId
			} = currentInfo.value
			const res = await apiWriteDownload({
				classid,
				wallId
			})
			if (res.errCode != 0) throw res

			uni.getImageInfo({
				src: currentInfo.value.picurl,
				success: (res) => {

					uni.saveImageToPhotosAlbum({
						filePath: res.path,
						success: (res) => {
							uni.showToast({
								title: '保存成功，请到相册查看',
								icon: 'none'
							})
						},
						fail: (err) => {
							if (err.errMsg == 'saveImageToPhotosAlbum:fail cancel') {
								uni.showToast({
									title: '保存失败，请点击重新下载',
									icon: 'none'
								})
								return
							}
							uni.showModal({
								title: '授权提示',
								content: '需要授权保存相册',
								success: (res) => {
									if (res.confirm) {
										uni.openSetting({
											success: (setting) => {
												if (setting.authSetting['scope.writePhotosAlbum']) {
													uni.showToast({
														title: '获取授权成功',
														icon: 'none'
													})
												} else {
													uni.showToast({
														title: '获取授权失败',
														icon: 'none'
													})
												}
											}
										})
									}
								}
							})
						},
						complete: () => {
							uni.hideLoading()
						}
					})

				}
			})
		} catch (err) {
			uni.hideLoading()
		}
		// #endif
	}
	
	// 分享
	onShareAppMessage((e) => {
		return {
			title: '咸虾米壁纸',
			path: '/pages/preview/preview?id=' + currentId.value + '&type=share'
		}
	})
	
	// 分享朋友圈
	onShareTimeline(()=>{
		return {
			title: '咸虾米壁纸',
			query: 'id=' + currentId.value + '&type=share'
		}
	})
	
</script>

<style lang="scss" scoped>
	.preview {
		width: 100%;
		height: 100vh;
		position: relative;

		swiper {
			width: 100%;
			height: 100%;

			image {
				width: 100%;
				height: 100%;
			}
		}

		.mask {
			&>view {
				position: absolute;
				left: 0;
				margin: auto;
				color: #fff;
				right: 0;
				width: fit-content;
			}

			.goBack {
				width: 38px;
				height: 38px;
				background: rgba(0, 0, 0, 0.5);
				left: 30rpx;
				margin-left: 0;
				border-radius: 100px;
				top: 0;
				backdrop-filter: blur(10rpx);
				border: 1rpx solid rgba(255, 255, 255, 0.3);
				display: flex;
				align-items: center;
				justify-content: center;
			}

			.count {
				top: 10vh;
				background: rgba(0, 0, 0, 0.3);
				font-size: 28rpx;
				border-radius: 40rpx;
				padding: 8rpx 28rpx;
				backdrop-filter: blur(10rpx);
			}

			.time {
				font-size: 140rpx;
				top: calc(10vh + 80rpx);
				font-weight: 100;
				line-height: 1em;
				text-shadow: 0 4rpx rgba(0, 0, 0, 0.3);
			}

			.date {
				font-size: 34rpx;
				top: calc(10vh + 230rpx);
				text-shadow: 0 2rpx rgba(0, 0, 0, 0.3);
			}

			.footer {
				background: rgba(255, 255, 255, 0.8);
				bottom: 10vh;
				width: 65vw;
				height: 120rpx;
				border-radius: 120rpx;
				color: #000;
				display: flex;
				justify-content: space-around;
				align-items: center;
				box-shadow: 0 2rpx 0 rgba(0, 0, 0, 0.1);
				backdrop-filter: blur(20rpx);

				.box {
					display: flex;
					flex-direction: column;
					align-items: center;
					justify-content: center;
					padding: 2rpx 12rpx;

					.text {
						font-size: 26rpx;
						color: $text-font-color-2;
					}
				}
			}
		}

		.popHeader {
			display: flex;
			justify-content: space-between;
			align-items: center;

			.title {
				color: $text-font-color-2;
				font-size: 26rpx;
			}

			.close {
				padding: 6rpx;
			}
		}


		.infoPopup {
			background: #fff;
			padding: 30rpx;
			border-radius: 30rpx 30rpx 0 0;
			overflow: hidden;

			scroll-view {
				max-height: 60vh;

				.content {
					.row {
						display: flex;
						padding: 16rpx 0;
						font-size: 32rpx;
						line-height: 1.7em;

						.label {
							color: $text-font-color-3;
							width: 140rpx;
							text-align: right;
							font-size: 30rpx;
						}

						.value {
							flex: 1;
							width: 0;
						}

						.roteBox {
							display: flex;
							align-items: center;

							.score {
								font-size: 26rpx;
								color: $text-font-color-2;
								padding-left: 10rpx;
							}
						}

						.tabs {
							display: flex;
							flex-wrap: wrap;

							.tab {
								border: 1px solid $brand-theme-color;
								color: $brand-theme-color;
								font-size: 22rpx;
								padding: 10rpx 30rpx;
								border-radius: 40rpx;
								line-height: 1em;
								margin: 0 10rpx 10rpx 0;
							}
						}

						.class {
							color: $brand-theme-color;
						}

					}

					.copyright {
						font-size: 28rpx;
						padding: 20rpx;
						background: #F6F6F6;
						color: #666;
						border-radius: 10rpx;
						margin: 20rpx 0;
						line-height: 1.6em;
					}

				}
			}
		}

		.scorePopup {
			background: #fff;
			padding: 30rpx;
			width: 70vw;
			border-radius: 30rpx;

			.content {
				padding: 30rpx 0;
				display: flex;
				justify-content: center;
				align-items: center;

				.text {
					color: #FFCA3E;
					padding-left: 10rpx;
					width: 80rpx;
					line-height: 1em;
					text-align: right;
				}
			}

			.footer {
				padding: 10rpx 0;
				display: flex;
				align-items: center;
				justify-content: center;
			}
		}
	}
</style>